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Detection of time-bin superpositions with the temporal Talbot carpet. @ Maciej Ogrodnik, University of Warsaw In the era of instant data...

Quantum computers will need large numbers of qubits to tackle challenging problems in physics, chemistry, and beyond. Unlike classical bits, qubits can exist in two states at once—a phenomenon called superposition. This quirk of quantum physics gives quantum computers the potential to perform certain complex calculations better than their classical counterparts, but it also means the qubits are fragile. To compensate, researchers are building quantum computers with extra, red

In a world-first, researchers from the Femtosecond Spectroscopy Unit at the Okinawa Institute of Science and Technology (OIST) have directly observed the evolution of the elusive dark excitons in atomically thin materials, laying the foundation for new breakthroughs in both classical and quantum information technologies. Their findings have been published in Nature Communications. Professor Keshav Dani, head of the unit, highlights the significance: "Dark excitons have great

Researchers have successfully used “hard X-rays”—a form of very short-wave radiation—to collectively excite the atomic nuclei of the iron isotope 57Fe. This recent accomplishment, conducted at the PETRA III research facility, is a notable development as such a process was previously limited to long-wave radiation. The experiments focused on iron-57 (57Fe), an isotope found in about two percent of natural iron, by transferring its atomic nuclei from their ground state to a hig

With NSF support, WashU physicists create quantum sensors that track stress and magnetism at pressures exceeding 30,000 times Earth’s atmosphere

Seeing a trio of entangled photons in one go